/Engine/Plugins/Editor/GameplayTagsEditor/Source/GameplayTagsEditor/Public/GameplayTagsEditorModule.h
Tries to add a new gameplay tag to the ini lists
bool AddNewGameplayTagToINI ( const [FString](API\Runtime\Core\Containers\FString) & NewTag, const [FString](API\Runtime\Core\Containers\FString) & Comment, [FName](API\Runtime\Core\UObject\FName) TagSourceName, bool bIsRestrictedTag, bool bAllowNonRestrictedChildren )